Finding the Fourth Proportional to 867,966,639.75, 1,197,794,429.42 and 476,851,257.99
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Solution
The fourth proportional to 867,966,639.75, 1,197,794,429.42 and 476,851,257.99 is: 658,054,992.35
Step by Step Solution
- Step 1: Write the proportion equation
867,966,639.75 : 1,197,794,429.42 = 476,851,257.99 : x - Step 2: Convert to fraction form
867,966,639.75/1,197,794,429.42 = 476,851,257.99/x - Step 3: Cross multiply
867,966,639.75x = 1,197,794,429.42 × 476,851,257.99 - Step 4: Simplify right side
867,966,639.75x = 571,169,780,479,956,992 - Step 5: Solve for x
x = 571,169,780,479,956,992/867,966,639.75 - Step 6: Final answer
x = 658,054,992.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.